<https://chiasewordpress.com/#/schema/person/image/>
<http://schema.org/contentUrl>
<http://0.gravatar.com/avatar/64e1b8d34f425d19e1ee2ea7236d3028?s=96&d=mm&r=g>
<http://chiasewordpress.com/5-best-wordpress-cdn-services-free-and-paid-options/>